Growth and properties of LiGaX2 (X = S, Se, Te) single crystals for nonlinear optical applications in the mid-IR

L. Isaenko, A. Yelisseyev, S. Lobanov, A. Titov, V. Petrov, J. J. Zondy, P. Krinitsin, A. Merkulov, V. Vedenyapin, J. Smirnova

Research output: Contribution to journalArticle

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Abstract

Single crystals LiGaX2 (X = S, Se, Te) of optical quality were grown, with transparency ranges at 5 cm-1 absorption level of 0.32-11.6 μm, 0.37-13.2 μm and 0.54-14.2 μm, respectively. The first two, LiGaS2 and LiGaSe2, have a wurtzite-type structure whereas LiGaTe2 is tetragonal (chalcopyrite lattice). The three refractive indices were measured in the whole transparency ranges of LiGaS2 and LiGaSe2 and na and nc were found to be very close (quasi-uniaxial optical anisotropy) with a crosspoint at 6.5 μm (LiGaS2) and 8 μm (LiGaSe2). Sellmeier equations were fitted and phase-matching conditions for second harmonic generation (SHG) were calculated: the 1.467-11.72 μm spectral range for the fundamental is covered by LiGaS2 and LiGaSe2.

Original languageEnglish
Pages (from-to)379-387
Number of pages9
JournalCrystal Research and Technology
Volume38
Issue number3-5
Publication statusPublished - 2003
Externally publishedYes

Fingerprint

phase matching
wurtzite
Transparency
harmonic generations
Single crystals
refractivity
Optical anisotropy
anisotropy
Phase matching
single crystals
Harmonic generation
Refractive index
chalcopyrite

Keywords

  • Crystal growth
  • Li-containing ternary compounds
  • Light absorption
  • Phase-matching
  • Refractive indices

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Isaenko, L., Yelisseyev, A., Lobanov, S., Titov, A., Petrov, V., Zondy, J. J., ... Smirnova, J. (2003). Growth and properties of LiGaX2 (X = S, Se, Te) single crystals for nonlinear optical applications in the mid-IR. Crystal Research and Technology, 38(3-5), 379-387.

Growth and properties of LiGaX2 (X = S, Se, Te) single crystals for nonlinear optical applications in the mid-IR. / Isaenko, L.; Yelisseyev, A.; Lobanov, S.; Titov, A.; Petrov, V.; Zondy, J. J.; Krinitsin, P.; Merkulov, A.; Vedenyapin, V.; Smirnova, J.

In: Crystal Research and Technology, Vol. 38, No. 3-5, 2003, p. 379-387.

Research output: Contribution to journalArticle

Isaenko, L, Yelisseyev, A, Lobanov, S, Titov, A, Petrov, V, Zondy, JJ, Krinitsin, P, Merkulov, A, Vedenyapin, V & Smirnova, J 2003, 'Growth and properties of LiGaX2 (X = S, Se, Te) single crystals for nonlinear optical applications in the mid-IR', Crystal Research and Technology, vol. 38, no. 3-5, pp. 379-387.
Isaenko, L. ; Yelisseyev, A. ; Lobanov, S. ; Titov, A. ; Petrov, V. ; Zondy, J. J. ; Krinitsin, P. ; Merkulov, A. ; Vedenyapin, V. ; Smirnova, J. / Growth and properties of LiGaX2 (X = S, Se, Te) single crystals for nonlinear optical applications in the mid-IR. In: Crystal Research and Technology. 2003 ; Vol. 38, No. 3-5. pp. 379-387.
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AU - Titov, A.

AU - Petrov, V.

AU - Zondy, J. J.

AU - Krinitsin, P.

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AB - Single crystals LiGaX2 (X = S, Se, Te) of optical quality were grown, with transparency ranges at 5 cm-1 absorption level of 0.32-11.6 μm, 0.37-13.2 μm and 0.54-14.2 μm, respectively. The first two, LiGaS2 and LiGaSe2, have a wurtzite-type structure whereas LiGaTe2 is tetragonal (chalcopyrite lattice). The three refractive indices were measured in the whole transparency ranges of LiGaS2 and LiGaSe2 and na and nc were found to be very close (quasi-uniaxial optical anisotropy) with a crosspoint at 6.5 μm (LiGaS2) and 8 μm (LiGaSe2). Sellmeier equations were fitted and phase-matching conditions for second harmonic generation (SHG) were calculated: the 1.467-11.72 μm spectral range for the fundamental is covered by LiGaS2 and LiGaSe2.

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